Walker County Soil Data
Walker County, Alabama
Avg pH
5.1
Texture
Loam
Drainage
N/A
Organic Matter
1.3%
Hydrologic Group
N/A
Data Story
About Soil in Walker County, Alabama
Walker soils follow regional acidic trends
Walker County soil has a pH of 5.14, which is slightly more acidic than the state average of 5.21. Like much of the region, it remains far below the national median pH of 6.5.
Medium-textured soils are easy to till
The soil composition is nearly half sand at 48.5%, supported by 36.5% silt and 15.1% clay. This mix creates a medium-textured soil that is generally easy to till but may be prone to erosion on slopes.
Moisture retention matches state averages
Organic matter levels are low at 1.32%, trailing the Alabama average of 1.74%. However, the available water capacity is exactly 0.138 in/in, which perfectly matches the statewide average for moisture retention.
Moderate clay content provides soil stability
The 15.1% clay content is sufficient to provide some moisture stability without causing major drainage issues. The overall soil score of 15.1 reflects some challenges in productivity compared to the state average of 22.5.
Mulch heavily for better garden results
Zone 8a offers a great climate for growing berries and native shrubs. Since organic matter is currently below the national average of 2.0%, mulching heavily will help improve the soil over time and keep your garden productive.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Hydrologic group data not available.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Walker County have?
Walker County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 48% sand, 36% silt, and 15% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Walker County's soil acidic or alkaline?
Walker County's soil has a low pH of 5.1, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Walker County?
Drainage class data is not currently available for Walker County.
What crops or plants grow well in Walker County's soil?
Based on Walker County's Loam texture, pH of 5.1, and drainage class, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens.
What USDA soil order is found in Walker County?
The dominant USDA soil order for Walker County is not currently available in our dataset.
Planning your lawn? View lawn care data for Walker County on LawnByCounty.com →
Other Counties in Alabama
Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.